6(r+3)-4=2r+10+4r how do you slove that

It takes evan 6 3/4 to mow 3 lawns. it takes 2 1/3 hours to mow me. gals lawn and 1 3/4 hot mow ms. lee’s lawn. how many hours does it take evan to mow the third lawn?

Find the equation of the line with slope =8 and passing through (6,53) write your equation in the form y=mx+b

Complete the solution of the equation. find the value of y when x equals to 6 4x+y=20